Kenwood KDC-5020 - Manual (Page 24)

Because authorization by the Security Code is required when it's
removed from the vehicle, personalizing this unit is by using the
Security Code is a help in preventing theft.
Security Code
Setting during operation beep sound etc. functions.
The Menu system basic operation method is explained here. The
reference for the Menu items and their setting content is after
this operation explanation.
1 Enter Menu mode
Press the [MENU] button for at least 1 second.
"MENU" is displayed.
2 Select the menu item
Press the [FM] or [AM] button.
Example: When you want to set the beep sound select the
"Beep"/ "BEEP" display.
3 Set the menu item
Press the [
4] or [¢] button.
Example: When "Beep"/ "BEEP" is selected, each time the button
is pressed it switches "Beep ON"/ "BEEP ON" or "Beep
OFF"/ "BEEP OFF". Select 1 of them as the setting.
You can continue by returning to step 2 and setting other items.
4 Exit Menu mode
Press the [MENU] button.
When other items that are applicable to the basic operation method
above are displayed afterwards their setting content chart is
entered. (Normally the uppermost setting in the chart is the original
setting.)
Also, the explanation for items that aren't applicable (Adjustment>etc.) are entered step by step.
Menu System
Menu system
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English
LOUD
NF
DAB
SCAN RDM REP M.RDM DISP
OFF
AUD
NAME
MENU PTY
GSM TI
DISP #1 – 6
¢
4
FM MENU
AM
SRC
KDC-MPV7020/6020
KDC-5020/5020R
Menu display
Menu display
RDS indicator NEWS indicator
(KDC-5020R) (KDC-5020R)